KR102141304B1 - Seat-width regulating type bicycle saddle - Google Patents

Abstract

The present invention relates to a seat width-adjustable bicycle saddle, and more particularly, to freely adjust the width of the seat to fit the passenger's hip It relates to a bicycle saddle with adjustable seat width.
According to the present invention, a seating sheet configured to be separated into a plurality of segment sheets to achieve the seat width adjustment; A seat rail supporting the seating seat and guiding the positional movement of the segment seats; A seat assembly for mutually coupling the seating seat and the seat rail and moving the position of the segment seats; And a seat post coupled to the seat rail and assembled to a bicycle frame.

Description

Seat width adjustable bicycle saddle{SEAT-WIDTH REGULATING TYPE BICYCLE SADDLE}

The present invention relates to a seat width adjustable bicycle saddle, and more particularly, to freely adjust the width of the seat to fit the hips (hips) of the occupant, and support the hip bone (sciatic bone) on which the weight is carried more stably. It relates to a bicycle saddle with adjustable seat width.

In the era when the improvement of the global environment is a top priority, the role of bicycles as a pollution-free means of transportation and leisure sports is being evaluated newly, and a rapid increase in users is expected. do.

The term bicycle refers to a two-wheeled vehicle that moves by rotating the wheel by the force of a person, and is preferred by those who enjoy speed, such as mountain bikes (MTB) and cycling races that can ride on mountains or rough roads. Various types of bicycles are provided according to their shape and structure, such as bicycles for competitions, bicycles for women that are convenient for getting on and off and equipped with a basket.

Around us, it is easy to see office workers who ride bicycles to commute, students going to school, and bicycle enthusiasts who enjoy riding, but in order to ride a bicycle for a long time, you cannot stand up and operate the pedals (tedaling). Therefore, for comfortable driving, you need to sit down and do pedaling, and the important thing at this time is the bicycle saddle (鞍裝, saddle).

In the meantime, bicycles have undergone various changes and developments in use, function, form, and material. Among them, the saddle, like other parts, has undergone much development, but it is true that ergonomic development was insufficient given that it is a major part that directly affects the human body.

For example, the overall width of the seating seat is relatively wide and fluffy by supporting the bones of the buttocks on both sides of the buttocks (ischium, which constitutes the lower part of the pelvis), where the occupant's weight is carried. Although the seung is stable and the seating feel is good, there is considerable inconvenience that the thighs are rubbed severely when pedaling.

In order to solve this problem, a bicycle saddle capable of adjusting the width of the saddle according to the body of the occupant has been disclosed through Korean Patent Publication No. 10-2016-0043467.

1 is a configuration diagram of a bicycle saddle according to the prior art. In the conventional bicycle saddle 900, a first support part 911 and a second support part 913 that support the left and right of the buttocks of a bicycle occupant are cut in the rear of the center. It includes a saddle body 910 divided into and a saddle width adjustment mechanism 940 for adjusting the width between the first support 911 and the second support 913.

In addition, the saddle width adjustment mechanism 940 includes a first base 941 and a second base 942 installed on the first support part 911 and the second support part 913, and one end of the first base A screw rod 943 that is fixed to the 941 and the other end penetrates the second base 942 and protrudes to the outside, an elastic member 944 wound around the screw rod 943, and the screw rod 943 It consists of a nut 945 that is fastened to.

According to the prior art, by tightening the nut 945 to move the second base 942 toward the first base 941, the width of the saddle that fits the body of the occupant (hereinafter referred to as "seat width") Can be adjusted.

However, in the process of transmitting the physical movement of the occupant at the time of pedaling to the first support unit 911 and the second support unit 913, the first and second support units 911 and 913 that cannot overcome external force (body movement) are inside There is a problem in that it cannot support the hip (sciatic bone) of the buttocks normally due to bending deformation, and this has led to a deterioration that makes the seating state of bicycle riding unstable.

In addition, according to the operation of the saddle width adjustment mechanism 940, the first and second support parts 911 and 913 separated from each other on the basis of the front (integral part) are narrowed in close proximity to each other, or vice versa. Accordingly, the width of the saddle (hereinafter referred to as “seat width”) is adjusted, but due to the above-described structural characteristics, the range of adjustment of the seat width is not very large, and thus there is a limit to eliciting the optimum effect.

In the end, the body contact and contact load of bicycle riders is mostly concentrated on both sides of the buttocks. This is an ergonomic design that can provide optimum ride comfort and stability to all users of various physiques, from children to adults. As a major part that becomes an important contact point between the and human body, research and development of a new saddle that is different from the existing one is urgently required.

(Document 1) Republic of Korea Patent Publication No. 10-2016-0043467 (Publication date: 2016.04.21.) (Document 2) Korean Patent Registration No. 10-1957329 (Registration Date: 2019.03.06.) (Document 3) Republic of Korea Utility Model Registration No. 20-0408628 (Registration Date: 2006.02.06.)

An object of the present invention is to solve all the problems as described above, and a seating sheet supporting the passenger's buttocks (buttocks) is divided into a plurality of segment sheets, and in particular, the segment supporting both sides of the buttocks (bolts) of the buttocks The seat width can be adjusted to fit the body of all occupants of different physiques through structural improvement in a form in which the seats can be moved along the longitudinal direction of the multiple rails (front rail, rear rail), which are further configured laterally at the rear of the seat rail. It is to provide a bicycle saddle with adjustable seat width to make it possible.

Another object of the present invention is through an ergonomic design that can support the sciatic bone constituting both lower portions of the pelvis more comfortably and stably, an important contact point between the bicycle and the human body As a major part of this, it is to provide a bicycle saddle with an adjustable seat width that allows the occupants to feel the optimal ride comfort different from the existing one.

In order to achieve the above object, the present invention is a seating sheet configured to be separated into a plurality of segment sheets to achieve sheet width adjustment; A seat rail supporting the seating seat and guiding the positional movement of the segment seats; A seat assembly for mutually coupling the seating seat and the seat rail and moving the position of the segment seats; And a seat post coupled to the seat rail and assembled to a bicycle frame.

In addition, the seating seat supports the buttocks on both sides of the buttocks on which the occupant's weight is loaded, and two first segment seats capable of moving in a horizontal direction on the seat rail according to the occupant's body, and the first segment It is further disposed in front of the seats, and consists of one second segment seat supporting the perineum of the occupant.

In addition, the seat rail includes a base rail that supports the seating seat, a plurality of front rails and rear rails that are horizontally disposed at each position determined at the rear upper end of the base rail for assembling and moving the first segment seats. The base rail includes a first section, which is a part where the first segment seats are integrally seated, a second section which is a part where the seat post is assembled and coupled from the lower side of the first section to the front, and the second section. A third section, which is a part where the second segment sheet is seated and assembled, is provided further forward from the second section.

In addition, the seat assembly is assembled to the first segment seats, and assembled to the front rail and the rear rail, as well as a plurality of front blocks and rear blocks for controlling the positional movement of the first segment seats thus coupled. It is composed of a block and a pressing plate that is in close contact with the lower portion of the second segment sheet seated in front of the base rail to maintain the assembled state of the second segment sheet.

In addition, the first segment seats and the second segment seats are configured to cover the body of the seat and the base foam in an ergonomic design tailored to the occupant's body, so that the occupant's body load and the running of the bicycle It consists of a cushioning material that absorbs an impact and an outer shell surrounding and protecting the cushioning material.

In addition, the front block includes an upper bundle that is internally accommodated in a block receiving portion formed at a predetermined position below the first segment sheets and is mounted on the front rail, and the upper bundle is disposed under the front rail. Consisting of a lower bundle that is closely assembled to the lower side and a fastening bolt for mutually coupling the upper bundle and the lower bundle, and at the lower end of the upper bundle and the upper end of the lower bundle where the front rail is located, the front rail An enclosing rail receiving groove is formed.

In addition, the rear block includes an upper bundle that is internally accommodated in a block receiving portion formed at a fixed position under the first segment sheets and is mounted on the rear rail, and the upper part is disposed under the rear rail. Consisting of a lower bundle that is closely assembled to the lower side of the bundle, and fastening bolts for mutually coupling the upper bundle and the lower bundle, and at the lower end of the upper bundle and the upper end of the lower bundle where the rear rail is located, the rear rail A rail receiving groove is formed that surrounds it, and the upper bundle and the lower bundle are an integral hinge structure in which the other end is rotated with respect to one end to achieve the convenience of assembling the seat rail, and hinges from the lower side of one side of the upper bundle. An additional protruding, and correspondingly inserted hinge groove is formed in the center of one side of the lower body, and further includes a hinge pin penetrating the hinge groove and the hinge portion.

As can be seen from the above description, the seat width adjustable bicycle saddle of the present invention has a seating seat supporting the buttocks separated into a plurality of segment seats, so that the seat width can be adjusted according to the occupant's body. It is possible to adjust the optimal seat width to provide a more comfortable seating and stability to all users (passengers) of different physiques through the transverse positional movement of the segment seats that support the hips of both sides of the hips.

In addition, rails (front rail, rear rail) are additionally configured to assemble and move the segment seats to the seat rail that supports the seating seat, so the seat optimized by securing a sufficient range of movement of the segment seats by these rails There is an effect that the width can be adjusted.

In addition, the ergonomic design of the seat as described so far provides a saddle that exhibits differentiated functionality as a major component that becomes an important contact point between the bicycle and the human body, satisfying consumer purchasing needs and creating corporate profits accordingly, as well as related industries. It is a very useful invention that can greatly contribute to the value creation of bicycles, which play a role in the increase of leisure sports activities and distribution of transportation, especially to promote the development and activation of

1 is a configuration diagram of a bicycle saddle according to the prior art.
2 to 4 are perspective and side views showing the external structure of the seat width adjustable bicycle saddle according to the present invention.
Figure 5 is a cross-sectional view showing the inner structure of the seat width adjustable bicycle saddle according to the present invention.
6 is a perspective view showing the constitution of a seating seat in the seat width adjustable bicycle saddle according to the present invention.
Figure 7 is a perspective view showing the constitution of the seat rail in the seat width adjustable bicycle saddle according to the present invention.
Figure 8 is a perspective view showing the coupling relationship between the seat assembly, the seat rail and the seat post in the seat width adjustable bicycle saddle according to the present invention.
9A and 9B are cross-sectional views of essential parts showing a configuration relationship between a front block and a rear block in the seat width adjustable bicycle saddle according to the present invention.
Figure 10 is a state diagram showing an embodiment of the seat width adjustable bicycle saddle according to the present invention.
Figure 11 (a) (b) is an operational state diagram showing the seat width adjustment relationship of the seat width adjustable bicycle saddle according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily implement the present invention.

First of all, in adding reference numerals to elements of the drawings, it should be noted that the same elements are assigned the same numerals as possible even if they are indicated on different drawings. In addition, in describing the present invention, when it is determined that a detailed description of a related known configuration or function may obscure the subject matter of the present invention, a detailed description thereof will be omitted.

2 to 4 of the accompanying drawings are a perspective view and a side view showing the external structure of a seat width adjustable bicycle saddle according to the present invention, and FIG. 5 is a sectional view showing a main part of the inner structure of the seat width adjustable bicycle saddle according to the present invention 6 is a perspective view showing the constitution of the seat in the seat width adjustable bicycle saddle according to the present invention, Figure 7 is a main part showing the constitution relationship of the seat rail in the seat width adjustable bicycle saddle according to the present invention It is a perspective view, and FIG. 8 is a perspective view showing the coupling relationship between the seat assembly, the seat rail and the seat post in the seat width adjustable bicycle saddle according to the present invention, and FIGS. 9A and 9B are the seat width adjustable bicycle according to the present invention. In the saddle, it is a cross-sectional view showing the constitution of the front block and the rear block, and FIG. 10 is a use state diagram showing an embodiment of a seat width adjustable bicycle saddle according to the present invention, and FIG. 11 (a) (b) is the present invention It is an operating state diagram showing the relationship of the seat width adjustment of the seat width adjustment type bicycle saddle according to.

As shown in Figures 2 to 4, the seat width adjustable bicycle saddle (A) according to the present invention, a seating sheet (1) divided into a plurality of segment seats to achieve the seat width adjustment, and the seating seat A seat rail (2) that supports (1) and guides the movement of the segment seats, and a seat assembly (3) for mutual coupling of the seating seat (1) and the seat rail (2) and movement of the segment seats. ), and a seat post 4 coupled to the seat rail 2 and assembled to a bicycle frame.

The seating seat 1 is divided into a plurality of segment seats so that the bicycle occupant can sit comfortably and adjust the seat width according to the occupant's body. As shown in FIG. 6, the occupant's weight is loaded. Two first segment seats 11-1 (11-1) that support the buttocks on both sides of the buttocks, but can move the position in the horizontal direction on the seat rail 2 in accordance with the body of the user (hereinafter referred to as "passenger") 11-2) and the occupant's perineum in a state further disposed in front of the first segment seats 11-1 and 11-2. It consists of one second segment sheet (12) supporting the area from the anus to the anus.

The first and second segment seats 11 and 12 are ergonomically designed to fit the occupant's body (hip) structure, forming a main body of the seat, and the base foam 111 and 121 ) Is configured to cover the body load of the occupant and absorbing the driving shock of the bicycle, and the outer shell 113 and 123 surrounding and protecting the cushioning material 112 and 122.

In addition, under the base form 111 of the first segment sheets 11-1 and 11-2, a block receiving portion for accommodating and disposing the front block and the rear block of the seat assembly 3 to be described later ( 111-1) is formed.

Further, a block contact portion 121-1 is further formed under the base form 121 of the second segment sheet 12 to closely place the fastening plate of the sheet assembly 3 to be described later. .

The seat rail 2 is a framework for positioning and adjusting the first segment seats 11-1 and 11-2 together with the coupling and support of the seating seat 1, as shown in FIG. Likewise, the base rail 21 for supporting the seating seat 1 and the base rail for assembling and moving the first segment seats 11-1 and 11-2 of the seating seat 1 It is composed of a plurality of front rails 22 and rear rails 23 that are horizontally disposed at each predetermined position at the rear top of (21).

In the base rail 21, a first section 211, which is a part in which the first segment sheets 11-1 and 11-2 are integrally seated, is connected forward from the lower side of the first section 211 The second section 212, which is a part where the seat post 4 is assembled, and the third section 213, which is a part where the second segment seat 12 is seated and assembled further forward from the second section 212 ) Is provided.

The front rail 22 and the rear rail 23 are assembled and combined with the first segment seats 11-1 and 11-2 by the seat assembly 3, as well as the first segment seat ( It has a certain length that provides the range of movement of 11-1)(11-2).

The seat assembly 3 is for mutual coupling of the seating seat 1 and the seat rail 2 and for moving the position of the segment seats 11-1 and 11-2, as described above, and FIG. 8 As shown in, the front rail 22 and the rear are embedded in the block receiving portion 111-1 formed on the base form 111 of the first segment sheets 11-1 and 11-2. The assembly and coupling of the first segment seats 11-1 and 11-2 as they are mounted on the rail 23, as well as the movement of the position of the first segment seats 11-1 and 11-2 thus coupled ( Block contact portions 121 formed on the base form 121 of the plurality of front blocks 31 and rear blocks 32 and the second segment seat 12 seated in front of the base rail 21 It is composed of a pressing plate 33 that is in close contact with 1) to maintain the assembled state of the second segment sheet 12.

The front block 31 is internally accommodated in the block receiving portions 111-1 of the first segment sheets 11-1 and 11-2, and the front rail (22) an upper bundle 311 mounted on the upper side, a lower bundle 312 that is closely assembled to the lower side of the upper bundle 311 in a form disposed under the front rail 22, and the upper and lower bundles It consists of a fastening bolt 313 for mutual coupling of (311) (312).

In addition, rail receiving grooves 311-1 and 312-1 surrounding the front rail 22 are provided at the lower end of the upper bundle 311 and the upper end of the lower bundle 312 where the front rail 22 is located. Is formed.

As shown in FIG. 9(b), the rear block 32 is similar to the front block 31, the block receiving portions 111- of the first segment sheets 11-1 and 11-2. 1) an upper bundle 321 that is more embedded in the rear rail 23 and is mounted on the upper side of the rear rail 23, and a lower bundle that is closely assembled to the lower side of the upper bundle 321 in a form disposed under the rear rail 23 It is composed of (322) and a fastening bolt 323 for mutual coupling of the upper and lower bundles 321, 322.

In addition, at the lower end of the upper bundle 321 and the upper end of the lower bundle 322 where the rear rail 23 is located, rail receiving grooves 321-1 and 322-1 that also surround the rear rail 23 Is formed.

In addition, the upper and lower bundles 321 and 322 of the rear block 32 form an integral hinge structure in which the other end is rotated relative to one end to achieve the convenience of assembling the seat rail 2, To this end, a hinge portion 321-2 protrudes from a lower portion of one side of the upper bundle 321, and a hinge groove 322-2 into which the hinge portion 321-2 is correspondingly inserted is the lower bundle 322 It is formed in the center of one side of the, and further includes a hinge pin 324 passing through the hinge groove (322-2) and the hinge portion (321-1).

The seat post 4, as described above, is coupled to the seat rail 2 and assembled to the bicycle frame, as well as for adjusting the front and rear position and angle of the seating seat 1, and into the seat tube of the bicycle frame. It is preferable to form an insertable circular pipe, but the dead part required for the combination of the above-described seat rail 2 and the front and rear position adjustment and angle adjustment of the seating seat 1 is configured at the top.

Non-explanatory symbols, (b) is an assembly bolt for assembling and coupling between the seating seat and the seat assembly, (c) is a finishing cap for sealing the open part of the first and second segment seats to which the assembly bolt is fastened, (s) is a bicycle, and (t) is a seat tubese of a bicycle frame.

The operation of the seat width adjustable bicycle saddle (A) according to the present invention having the above configuration will be described in detail.

First, the seat width adjustable bicycle saddle (A) of the present invention is mounted on a bicycle (s) to allow a bicycle occupant to sit comfortably. As shown in FIG. 10, a seat tube (t) of a bicycle frame Mounting is possible by inserting the lower part of the seat post 4 inside and assembling it.

In this case, the present invention can provide an optimum feeling of seating and stability to passengers of different physiques, and through this, it is possible to greatly improve the riding comfort of bicycle driving.

Specifically, the upper bundles 311 and 321 constituting the front block 31 and the rear block 32 by loosening the fastening bolts 313 and 323 of the front block 31 and the rear block 32 And by allowing a gap to be formed between the lower bundles 312 and 322, the front rail 22 and the rear rail 23 between the upper bundles 311 and 321 and the lower bundles 312 and 322 ) To be loose.

Thereafter, the front block 31 and the rear block 32 are moved along the longitudinal direction (lateral direction) of the front rail 22 and the rear rail 23, so that the first segment sheet 11-1 ( 11-2) Adjust their position (see Fig. 11), and the seat width (the width of the saddle) can be freely adjusted according to the occupant's body.

Finally, after moving the position of the first segment seats 11-1 and 11-2 as long as the occupant has a desired seat width, the front block 31 and the rear block 32 are again fastened. By tightening the bolts 323, the upper bundles 311 and 321 and the lower bundles 312 and 322 constituting the front block 31 and the rear block 32 are in close contact with each other, and accordingly, the upper bundle 311 The front block 31 and the rear block 32 are fixed by pressing the) 321 and the lower bundles 312 and 322 to the front rail 22 and the rear rail 23 crossing them. The first segment sheets 11-1 and 11-2 are maintained in a rigid position adjustment state.

As a result, according to the description so far, it is possible to adjust the customized seat width for each user of different physique, and through this, the first segment seats 11-1 and 11-2 are The seat width adjustment state that prevents unintentional movement of the position can be firmly maintained, so that the occupant can receive the required seating and stability.

In summary, according to the seat width adjustable bicycle saddle (A) of the present invention, the seating seat (1) supporting the passenger's buttocks (hips) has two first segment seats (11-1, 11-2) and The first segment seats 11-1 and 11-2, which support the buttocks on both sides of the buttocks, are separated into one second segment seat 12, and the front rail 22 of the seat rail 2 ) And the rear rail 23 can be moved along the longitudinal direction (transverse direction), and through this, the seat width can be adjusted to support the sciatic bone constituting both lower parts of the pelvis more comfortably and stably, When riding and driving a bicycle, it is possible to achieve the effect of providing an optimal ride comfort to the occupants.

In addition, the front rail 22 and the rear rail 23 for moving the position of the first segment 11-1 and 11-2 are provided on the seat rail 2 supporting the seating seat 1 as described above. According to the additional configuration, it is easier to move the position of the first segment sheets 11-1 and 11-2 in the lateral direction, as well as the first segment sheet 11 by the front rail 22 and the rear rail 23. -1) By securing a sufficient range of movement of (11-2), more optimized sheet width can be adjusted.

In addition, the ergonomic design as described so far provides optimal seating and stability to all users of various physiques, from children to adults, and provides an optimal ride comfort through this, so that the important contact point between the bicycle and the human body As a major component to be used, it is possible to achieve the effect of providing a bicycle saddle that exhibits functionality of the existing and dimensionally.

The above description is only illustrative of the technical idea of the present invention, and those of ordinary skill in the art to which the present invention belongs can make various modifications, changes, and substitutions within the scope not departing from the essential characteristics of the present invention. will be. Accordingly, the embodiments disclosed in the present invention and the accompanying drawings are not intended to limit the technical idea of the present invention, but are for description, and the scope of the technical idea of the present invention is not limited by these embodiments and the accompanying drawings. . In addition, the scope of protection of the present invention should be interpreted by the following claims, and all technical thoughts within the scope equivalent thereto should be interpreted as being included in the scope of the present invention.

A: saddle, 1: seating seat
2: seat rail, 3: seat assembly
4: seat post, 11-1, 11-2: first segment sheet
12: second segment seat, 21: base rail
22: front rail, 23: rear rail
31: front block, 32: rear block
33: compression plate, 111, 121: base form
111-1: block receiving part, 112, 122: cushion material
113, 123: outer skin, 121-1: block adhesion
211: first section, 212: second section
213: 3rd section, 311, 321: upper bundle
311-1, 312-1, 321-1, 322-1: Rail receiving groove
312, 322: lower bundle, 313, 323: fastening bolt
321-2: hinge part, 322-2: hinge groove
324: hinge pin

Claims (7)

Seating sheet divided into a plurality of segmented seats to achieve seat width adjustment;
A seat rail supporting the seating seat and guiding the positional movement of the segment seats;
A seat assembly for mutually coupling the seating seat and the seat rail and moving the position of the segment seats; And,
Includes; a seat post coupled to the seat rail and assembled to a bicycle frame,
The seating seat supports the buttocks on both sides of the buttocks on which the occupant's weight is carried, and two first segment seats capable of moving in a horizontal direction on the seat rail in accordance with the occupant's body, and the first segment seats. It is further disposed in the front and consists of a second segment seat that supports the occupant's perineum,
The seat rail is composed of a base rail supporting the seating seat, a plurality of front rails and rear rails horizontally disposed at each position determined at the rear upper end of the base rail for assembly and assembly and movement of the first segment seats. Become,
In the base rail, a first section is a part where the first segment seats are integrally seated, a second section is a part where the seat post is assembled and coupled from the lower side of the first section, and a front from the second section. The third section, which is a part where the second segment sheet is seated and assembled, is provided,
The seat assembly includes a plurality of front blocks and rear blocks that are assembled to the first segment seats and are assembled to the front rail and the rear rail, as well as to control the positional movement of the first segment seats, And a compression plate configured to maintain the assembly state of the second segment seat by intimate contact with the lower portion of the second segment seat seated in front of the base rail.
delete delete delete The method of claim 1,
The first segment seats and the second segment seats include a base foam that forms the main body of the seat in an ergonomic design tailored to the occupant's body,
A cushioning material configured to cover the base form and absorbing the body load of the occupant and the driving shock of the bicycle,
Seat width adjustable bicycle saddle, characterized in that consisting of an outer shell that surrounds and protects the cushioning material.
The method of claim 1,
The front block includes an upper bundle that is internally accommodated in a block receiving portion formed at a predetermined position under the first segment sheets and is seated and disposed on the front rail,
A lower bundle disposed under the front rail and closely assembled to a lower side of the upper bundle;
Consisting of a fastening bolt for mutual coupling of the upper bundle and the lower bundle,
A seat width adjustable bicycle saddle, characterized in that a rail receiving groove surrounding the front rail is formed at a lower end of the upper bundle at which the front rail is located and an upper end of the lower bundle.
The method of claim 1,
The rear block includes an upper bundle that is internally accommodated in a block receiving portion formed at a fixed position under the first segment sheets and is seated and disposed on the rear rail,
A lower bundle disposed under the rear rail and closely assembled to a lower side of the upper bundle;
Consisting of a fastening bolt for mutual coupling of the upper bundle and the lower bundle,
Rail receiving grooves surrounding the rear rail are formed at a lower end of the upper bundle and an upper end of the lower bundle on which the rear rail is located,
The upper bundle and the lower bundle have an integral hinge structure in which the other end is rotated with respect to one end to achieve the convenience of assembling the seat rail, and a hinge portion protrudes from a lower portion of one side of the upper bundle, and the hinge portion is correspondingly inserted. Seat width adjustable bicycle saddle, characterized in that the hinge groove is formed in the center of one side of the lower bundle, and further comprises a hinge pin penetrating the hinge groove and the hinge portion.

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